High accuracy, fast readings.  Widely used, simple operation.  No need for batteries, durable.  Food grade stainless steel, safe and environmentally friendly.  Scope of application: This product can be used to measure the temperature of compost soil.  Descriptions:  Hermetically sealed to avoid fogging and moisture. But not suggest to leave outside day and night, as it is the measuring tool and may care it for long lasting.  Rugged construction. Tough, reinforced welded bolt between dial and stem for long-lasting operation  Long quality stem,durable stem for accurate readings  Take the shaft to push in & pull out.  Color:silver  Diameter:48mm Length:500mm  Materials:food grade stainless steel  Temperature Range:0℃～120℃ / 0℉~220℉  How To Use:direct insertion of the probe  Package Included: 1 x Compost Soil Thermometer  Only the above package content, other products are not included.  Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.